Canon BJC-7100 Service Manual Download Page 104

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3.2.5 Drive circuit

The drive circuit built into the heater board controls the ejection of inks. The drive
circuit differs according to the type of BJ cartridge.

1) BC-60

The black head and ink optimizer head are each equipped with the drive circuit
shown in Figure 4-21.

Part 4: Technical Reference

BJC-7100

4-24

100

137

192

211

212

231

232

249

304

310

119

120

Block

Enable

Decoder

310-bit

Latch

100

119

120

137

192

211

212

231

232

249

304

310

310-bit

Shift Register

310

See diagrams below.

Head Temperature Sensor

Rank Resistance

Sub-heater

VDDH

RANK

GND

SUBH

HEATE

ODDE

EVENE

BE0

BE1

BE2

INV

IDATA

DCLK

LTRST

VDDH

ID1

ID2

TSK

TSA

LTCLK

310-bit

Transistor Array

Heater

310

Heater

ID1

ID2

Contact

Black Head

ID1

ID2

Contact

Ink Optimizer Head

Figure 4-21 Block Diagram of BC-60 Drive Circuit

Summary of Contents for BJC-7100

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Page 4: ...law Trademarks The product names and company names appearing in this manual are the registered trademarks or trademarks of the individual companies Copyright This manual is copyrighted and all rights reserved Under the copyright laws this manual may not be copied reproduced or translated into other languages in whole or in part without the express written consent of Canon Inc except in the case of...

Page 5: ... Instructions This part explains how to operate the unit properly how it is installed and how to use the service mode Part 4 Technical Reference This part outlines the unit operation giving a technically Part 5 Maintenance This part explains maintenance of the unit It includes details of disassembly assembly adjustments required when assembling troubleshooting procedures and wiring circuit diagram...

Page 6: ...Leakage and dry out 1 11 2 3 4 Carrying the printer 1 12 3 NOTES ON SERVICING 1 12 3 1 EEPROM Data 1 13 3 2 Service Mode of Printer Driver 1 13 3 3 Protecting the Power Supply 1 14 3 4 Static Electricity 1 15 3 5 Disassembly and Assembly 1 15 3 5 1 Parts that cannot be disassembled 1 15 3 5 2 Parts requiring careful attention during disassembly and assembly 1 15 3 6 Self Diagnosis Part 2 PRODUCT S...

Page 7: ...NCTIONS 3 14 3 1 Error Indications 3 14 3 1 1 Operator call errors 3 15 3 1 2 Service calls 3 16 3 2 Warning Indications 3 17 3 3 Function Settings 3 17 3 3 1 Items set by control function 3 18 3 3 2 Service mode of printer driver 3 19 3 4 EEPROM 3 19 3 5 Cleaning the BJ Cartridge 3 20 3 6 Test Printout 3 20 3 7 Pickup Roller Cleaning Function HR 101 3 21 3 8 Service Mode 3 22 3 8 1 Final factory ...

Page 8: ...29 3 3 1 Function of purge unit 4 30 3 3 2 Structure of purge unit 4 33 3 4 Carriage 4 33 3 4 1 Carriage functions 4 34 3 4 2 Carriage structure 4 36 3 5 Paper Feed Sheet Feeder Mechanism 4 36 3 5 1 Paper feed sheet feeder mechanism functions 4 38 3 5 2 Paper feed sheet feeder mechanism structure 4 39 4 PRINTER ELECTRICAL SYSTEM 4 39 4 1 Overview of Printer Electrical System 4 40 4 2 Logic 4 40 4 ...

Page 9: ... 5 7 4 4 Assembling the Chassis 5 8 5 ADJUSTMENTS 5 8 5 1 Adjustment Locations 5 8 5 1 1 Adjusting registration 5 8 5 1 2 Checking and adjusting the head gap 5 13 6 TROUBLESHOOTING 5 13 6 1 Troubleshooting Overview 5 13 6 1 1 Overview 5 13 6 1 2 Troubleshooting cautions 5 14 6 2 Diagnosis 5 14 6 2 1 Diagnostic flow 5 16 6 2 2 Action 5 37 7 CONNECTOR LAYOUT AND SIGNAL ASSIGNMENT 5 37 7 1 Logic Boar...

Page 10: ...tridge BC 62e Photo 2 5 Figure 2 4 Color BJ Cartridge BC 61 2 6 Figure 2 5 BJ Cartridge SB 60 2 6 Figure 2 6 Ink Tanks 2 11 Figure 2 7 Printing Area 2 18 Figure 2 8 Compatible Mode 2 18 Figure 2 9 Nibble Mode 2 18 Figure 2 10 ECP Mode Part 3 OPERATING INSTRUCTIONS 3 1 Figure 3 1 Packaging 3 2 Figure 3 2 Printer Dimensions 3 3 Figure 3 3 Connecting the Interface Cable 3 3 Figure 3 4 Connecting the ...

Page 11: ...ture of BC 62e Photo BJ Head Unit 4 21 Figure 4 19 Nozzle Arrays 4 22 Figure 4 20 Signal Contacts 4 24 Figure 4 21 Block Diagram of BC 60 Drive Circuit 4 25 Figure 4 22 Block Diagram of BC 61 BC 62e Photo Drive Circuit 4 32 Figure 4 23 Purge Unit 4 33 Figure 4 24 Carriage 4 35 Figure 4 25 Paper Feed Motor Drive Switching 4 36 Figure 4 26 Auto Platen Head Gap Adjustment 4 37 Figure 4 27 Paper Feed ...

Page 12: ...1 Figure 5 14 Adjust the Head Gap 1 5 12 Figure 5 15 Adjust the Head Gap 2 5 37 Figure 5 16 Logic Board 5 39 Figure 5 17 Carriage Board 5 44 Figure 5 18 Logic Board Face 5 44 Figure 5 19 Component Board Back 5 45 Figure 5 20 Carriage Board Face 5 45 Figure 5 21 Carriage Board Back VIII ...

Page 13: ... 21 Table 3 4 Service Mode Part 4 TECHNICAL REFERENCE 4 8 Table 4 1 Number of Passes vs Number of Operational Head Nozzles 4 10 Table 4 2 Main Default Print Mode Settings 4 22 Table 4 3 BJ Head Input and Output Signals 4 27 Table 4 4 AND Gate Contacts and IDATA Order 4 27 Table 4 5 Electrode Connection Pins 4 28 Table 4 6 Index Connections 4 28 Table 4 7 Index Sensor Signals and BJ Cartridge Detec...

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Page 15: ... 5 BJ Cartridge Metal Plate 1 7 2 MACHINE PRECAUTIONS 1 7 2 1 BJ Cartridge Handling 1 9 2 2 Ink Tank Handling 1 10 2 3 Printer Handling 1 12 3 NOTES ON SERVICING 1 12 3 1 EEPROM Data 1 13 3 2 Service Mode of Printer Driver 1 13 3 3 Protecting the Power Supply 1 14 3 4 Static Electricity 1 15 3 5 Disassembly and Assembly 1 15 3 6 Self Diagnosis ...

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Page 17: ...p roller slow down gear paper output guide and purge unit Be sure that the front cover is closed so that there is no risk of contacting the moving parts except when checking operation during servicing Note that the spurs are made of metal with a sharp edge Be careful not to touch the spurs with your bare hands 1 1 BJC 7100 Part 1 Safety and Precautions Carriage Carriage Belt Idler Pulley Paper Fee...

Page 18: ...e front part of the front cover to open and close the cover Be careful not to pinch your fingers between the front and main cover when closing the front cover Part 1 Safety and Precautions BJC 7100 1 2 Figure 1 2 Front Cover ...

Page 19: ...et into your eyes wash with plenty of water and consult a doctor If for some reason a large amount of ink is swallowed consult a doctor immediately Give the doctor the information on the BJ cartridge package This ink contains dyes that cannot be removed from clothing etc 1 3 BJC 7100 Part 1 Safety and Precautions Waste Ink Waste Ink Optimizer Absorber Maintenance Jet Absorber for Ink Head Wiper Wa...

Page 20: ...k optimizer or just optimizer for simplicity purposes We will also refer to the various colored inks and the ink optimizer for plain paper simply as inks 1 3 2 Ink mist The BJ cartridge ejects ink onto the paper After prolonged or heavy duty use of the printer a small amount of ink mist splattered during printing can dirty the printer such as the platen Turn off the power open the front cover and ...

Page 21: ...vers off CAUTION Do not attempt to dismantle the AC adapter The mains AC voltage is supplied to the primary side of the AC adapter To prevent risk of electric shock do not attempt to dismantle the AC adapter to check its operation etc If faulty the AC adapter must be replaced as one unit service part The structural components including the case are not available individually as service parts Do no...

Page 22: ...riage movement and the paper eject operation are continued while the printing is stopped Depending on the outcome of the ink out detection after completion of printing a page a beeper sounds to indicate the status of the error Ink available BJ cartridge overheat error beeper sounds 7 times Ink out Ink out error beeper sounds 3 or 4 times When a BJ cartridge overheat error occurs leave the cartridg...

Page 23: ...amage to the BJ cartridge 2 1 2 BJ cartridge protection To prevent the nozzles from clogging never touch or wipe the nozzles joint pipes or ink tank outlets with your bare hands or with tissue paper etc After removing the cap and peeling off the protective tape from a BJ cartridge promptly install the cartridge in the printer or store it in the cartridge holder If the BJ cartridge is not capped or...

Page 24: ...the nozzles are not capped the ink might dry out and clog the nozzles or leak from the cartridge 2 1 4 When not using the printer Keep the BC 60 BJ cartridge installed in the printer even when the printer is not in use The BC 62e Photo and BC 61 BJ cartridges can be left installed in the printer or stored in the cartridge holder This also applies when carrying transporting or storing the printer I...

Page 25: ...dy to use it Before installing it in the color BJ cartridge remove the cap covering the ink outlets 2 2 2 Preventing clogging To prevent poor ink suction due to clogging of the joints in the BJ cartridge never touch the ink tank s ink outlets After removing the cap from the ink tank promptly install the ink tank in the BJ cartridge to prevent the nozzles from clogging due to dried out ink dust etc...

Page 26: ...surface with the printed paper increases creating a dotted line 2 3 2 Damage due to static electricity The static charge accumulated by your body from clothing can damage electrical components and alter their electrical characteristics Never touch the carriage contacts or BJ cartridge contacts Part 1 Safety and Precautions BJC 7100 1 10 Double Spurs Spurs Spur Cleaner Figure 1 12 Spurs Contacts Fi...

Page 27: ... the POWER button then unplug the AC adapter If you turn the power off or unplug the AC adapter when the BJ cartridge has been removed the nozzles will not be automatically capped or the carriage locked in position and hence there is a risk of ink leaking or dry out If the power cannot be turned on due to some failure manually move the carriage belt or the carriage itself to the capping position F...

Page 28: ...sorber replacement After replacing full waste ink absorbers reset the EEPROM s waste ink counter 4 If you accidentally reset the EEPROM s waste ink amount data or all data Once reset the EEPROM data cannot be restored If you accidentally reset the EEPROM you must take the same steps as when replacing the logic board After the EEPROM is reset the data it contained cannot be printed out with a test ...

Page 29: ...ys unplug the AC adapter from the power outlet before connecting it to or disconnecting it from the printer Ignoring this warning can result in damage and failure of the printer power supply When moving the carriage by hand when for example manually capping the ink nozzles or releasing the carriage lock do so slowly while paying attention to the operation of the carriage motor the back electromoti...

Page 30: ...bject to discharge the static electricity The following parts must not be touched before you have discharged the static electricity from your body Logic board carriage board Motor control board Cable connectors and contacts BJ cartridge signal contacts Part 1 Safety and Precautions BJC 7100 1 14 Static Damage Carriage Motor Carriage Board BJ Cartridge Signal Contacts Logic Board Paper Feed Motor F...

Page 31: ...reassembled 3 5 2 Parts requiring careful attention during disassembly and assembly The printer has many parts that can be damaged during disassembly and assembly For details see Part 5 4 DISASSEMBLY AND REASSEMBLY page 5 4 Please read this section carefully before attempting to disassemble and assemble the printer The printer also has many plastic parts When disassembling the printer take care no...

Page 32: ...Part 1 Safety and Precautions BJC 7100 1 16 This page intentionally left blank ...

Page 33: ...PRODUCT OUTLINE 2 1 1 1 Outline 2 2 1 2 Features 2 3 1 3 BJ Cartridge 2 6 1 4 SB 60 BJ Cartridge Container 2 6 1 5 Consumables 2 7 2 SPECIFICATIONS 2 7 2 1 General Specifications 2 10 2 2 Paper Specifications 2 12 2 3 Interface Specifications ...

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Page 35: ... the Internet and multimedia tools such as digital cameras is targeted at a wide range of users in the small office and personal computer environments who require high quality full color printing The ink optimizer is an almost colorless transparent fluid For simplicity in this manual we refer to the ink optimizer for plain paper simply as ink optimizer or just optimizer We also refer to the variou...

Page 36: ...tection function based on the conduction of static electricity An electrical signal is input to the ink path in the BJ cartridge This signal is picked up by the electrode on the carriage and the signal level is used to determine the existence or absence of ink 7 The printer is equipped with an IEEE1284 compatible bidirectional parallel interface This interface is compatible with nibble mode and EC...

Page 37: ...ridge if either the black ink or ink optimizer runs out or if satisfactory printing cannot be achieved even after the stipulated cleaning operations have been performed Also replace the cartridge if more than 12 months has elapsed after the seal is broken The BC 60 BJ cartridge will print approximately 870 pages of a standard 1500 character print pattern Default setting of Text mode 2 3 BJC 7100 P...

Page 38: ...re about 1 3rd the density of the color inks thereby enabling pale colors and halftones to be printed The color inks are used to print denser colors and fill larger areas with one color Replace the ink tanks if any of the 6 inks runs out or if satisfactory printing cannot be achieved even after the stipulated cleaning operations have been performed If you still cannot obtain satisfactory print qua...

Page 39: ...rding to the selected print mode as shown in the table below Used Used only for plain paper envelopes Not used When you use the BC 62e Photo BJ cartridge to print in color using only the normal color inks and not the photo inks the normal color inks will run out and the ink tanks will have to be replaced before the photo inks are used up The estimated print quantity for the BC 60 approximately 870...

Page 40: ...ridges BC 60 BC 62e Photo and BC 61 used in the BJC 7100 printer are supplied as consumables Except for the packaging these consumables are identical to the BJ cartridges supplied with the new printer The BC 62 Photo used in the BJC 700J Printer cannot be used on this printer If the BC 62 Photo is installed on BJC 7100 printing is carried out however print quality may deteriorate drastically 1 5 2...

Page 41: ...ode 5 Printing width 218mm max Maximum print width when Letter size is selected 6 Line pitch n 600inch where n is programmable 7 Print direction Select either of Unidirectional or BIdirectional as the printing mode See Part 4 2 2 Print Mode page 4 8 8 Bit image printing Data matrix Canon extended mode Raster image format Resolution Canon extended mode 300 600 and 1200dpi 9 Buffer 256KB 10 Interfac...

Page 42: ...per for color BJ HR 101 Glossy photo paper Glossy photo paper for color BJ GP 301 High gloss photo film High gloss photo film for color BJ HG 201 Glossy photo card Glossy photo card for color BJ FM 101 Transparencies Transparencies for color BJ CF 102 Back print film Back print film for color BJ BF 102 Fabric sheets Fabric sheets for color BJ FS 101 T shirts transfer T shirts transfer for color BJ...

Page 43: ...ation During storage Temperature 0 C to 35 C Humidity 5 to 90 no condensation 19 Power supply USA Canada 120VAC 60Hz UK Australia 240VAC 50Hz Europe China 220VAC 50Hz 20 Power consumption During soft power off mode Approx 7W max During idle Approx 8W max During printing Approx 45W max 21 External dimensions 467mm w 313mm d 218mm h with paper output tray in storage position 22 Weight Approx 6 4kg w...

Page 44: ...n NP Kangas Canon NP Neusiedler Canon NP BoiseCascade Canon BJ Paper LC 301 Xerox 4024 75g m2 Xerox 4024 95g m2 Plover Bond Size A4 B5 A5 A4 B5 A5 A4 B5 A5 A4 B5 A5 LTR LGL A4 B5 LTR LGL LTR LGL LTR LGL LTR LGL Sheet Feeder Manual Feed Special Papers Type Coated Paper High Resolution Paper Transparency BPF Glossy Photo Paper High Gloss Photo Film Envelopes Fabric Sheets Other Paper T Shirts transf...

Page 45: ... 4mm 1 22 6mm 2 21 6mm 1 12 0mm 2 21 0mm A4 A5 and B5 Sizes 3mm 7 0mm 6 4mm 6 4mm 1 12 0mm 2 21 0mm 1 22 6mm 2 21 6mm Letter LTR and Legal LGL Sizes 29 3mm 28 0mm A4 5 9mm Letter 5 1mm 5 1mm A4 and Letter LTR Sizes 25 4mm 31 4mm 43 6mm 6 4mm Fabric Sheets 3 0mm 7 0mm 6 4mm COM 10 31 4mm DLsize 10 4mm Envelopes 1 12 0mm 2 21 0mm 1 22 6mm 2 21 6mm Figure 2 7 Printing Area ...

Page 46: ...or equivalent 6 IO signals and pin configuration 1 N C No Connection 2 RET are All Connected to Gnd 3 Connected to 5 0V Through 390 Resistance 4 Connected to 5 0V Through 3 3k Resistance Part 2 Product Specifications BJC 7100 2 12 TABLE 2 3 IO SIGNALS IN COMPATIBLE MODE Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Signal Date Strobe Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 Ac...

Page 47: ...ail N C 1 N C 1 N C 1 1284 Active Symbol on Circuit Diagram GND GND GND GND GND GND GND GND GND GND GND GND INIT FAULT GND N C Peripheral Logic High SELECT IN I O IN OUT IN Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Signal HostClk Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 PeriphClk PeriphAck AckReverse Xflag HostAck N C 1 Gnd Gnd Vcc Symbol on Circuit Diagram STROBE DATA 1 D...

Page 48: ...e Busy signal goes to H regardless of receiving data The signal is High in the following cases When receiving data When input buffer is full When INIT signal is input When carriage is in cartridge replacement position During manual cleaning When an error occurs paper out paper jam etc During soft power on off sequence During internal initialization PE Output This signal goes High when the printer ...

Page 49: ...o read the data by making the Ptr Clk signal Low in the reverse data transmission phase After finishing reading the host computer notifies the printer of completion of data receiving by making the Host Busy AUTO FEED XT signal High Ptr Busy Output This signal outputs the data to be sent to the host computer in the reverse data transmission phase First bit 3 of the transmission byte data is output ...

Page 50: ...n handshaking with PeriphAck BUSY signal when data is sent from the host computer to the printer This signal changes to Low when data has been output to the data bus Data1 to 8 This signal changes to High in response to the PeriphAck BUSY signal rising It remains High in the reverse data transmission phase Data 1 to 8 Input Output These are input data signals when data is sent from the host comput...

Page 51: ...erse Req Input This signal changes to Low during the recovery phase resending data when data is sent from the host computer to the printer This signal changes to High in response to the lowered Ack Reverse PE signal This signal changes to Low on transition from the idle state in the forward data transmission phase to the reverse data transmission phase when data is sent from the printer to the hos...

Page 52: ...2 Bit6 1284 Active Ack Data Req Data 1 to 8 Host Busy Host Clk Ptr Clk Ptr Busy nData Avail Xflag TP TP TP Invalid With data Nibble mode Support TP minimum set up 0001 0000 1284 Active Data 1 to 8 Host Ack Host Clk Periph Clk Xflag TP TP TP Periph Ack nPeriph Req Byte0 Byte1 nCmd nCmd ECP mode Support TP TP minimum set up nAck Reverse Figure 2 8 Compatible Mode Figure 2 9 Nibble Mode Figure 2 10 E...

Page 53: ... 3 10 1 6 Names of Parts and Their Functions 3 12 2 TRANSPORTING THE PRINTER 3 12 2 1 Transporting the Printer 3 13 2 2 Manual Capping 3 14 3 PRINTER SERVICING FUNCTIONS 3 14 3 1 Error Indications 3 16 3 2 Warning Indications 3 17 3 3 Function Settings 3 19 3 4 EEPROM 3 19 3 5 Cleaning the BJ Cartridge 3 20 3 6 Test Printout 3 20 3 7 Pickup Roller Cleaning Function HR 101 3 21 3 8 Service Mode ...

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Page 55: ...e items below have been included 3 1 BJC 7100 Part 3 Operating Instructions Instructions Driver Software BJ Cartridge BJ Cartridge Container Instruction Manual Packing Packing Carton Packing Packing Packing Tapes Packing Tapes Tapes Tapes Figure 3 1 Packaging ...

Page 56: ...tuations in temperature such as close to air conditioners etc Also do not leave the printer in motor vehicles etc where it may be subject to a rapid rise in temperature Do not install the printer where it may be subject to excessive amounts of dust or subject to sea breezes or other sources of salinity Do not install close to TV speakers or other sources of storing magnetic fields Install the prin...

Page 57: ... AC adaptor then plug the AC power plug into a wall outlet 2 Press the printer POWER button The printer beeper sounds and the power lamp blinks 3 After the printer has initialized itself the carriage moves to the left for the BJ cartridge to be installed 3 3 BJC 7100 Part 3 Operating Instructions 1 Connect the cable to the printer 2 Connect the cable to the computer Figure 3 3 Connecting the Inter...

Page 58: ... the BJ cartridge after removing the cap and tape as doing so may result in ink spillage 2 Installing the BJ cartridge Open the printer s front cover and install the BJ cartridge on the carriage Install the BC 60 on the left holder and the BC 62e Photo or BC 61 on the right holder After installing the cartridge press the REPLACE button The beeper sounds once and after about 15 seconds the carriage...

Page 59: ...structions on the Printer Driver s control sheet print a High Resolution Adjustment Pattern 5 Check the printed pattern to select the optimum E horizontal 1 F bidirectional 1 G horizontal 2 and H bidirectional 2 adjustment 6 Following the instructions on the Printer Driver s control sheet quit the print head alignment procedure 7 You can print the nozzle check pattern to check the print head align...

Page 60: ...k Press the REPLACE button to move the carriage to the cartridge replacement position you can also use the printer driver As shown in Figure 3 8 lift the front of the ink tank to remove the ink tank from the holder Do not touch or let your clothing come in contact with the ink feeds on the ink tank 3 Installing an ink tank Remove a new ink tank from its box then remove the cap from the ink feeds a...

Page 61: ...s are installed in the BJ cartridge holder Make sure that the cartridge faces the correct way in the container Do not shake or drop the container as ink may spill The BJC 7100 use a range of inks and when printing on plain paper an ink optimizer for plain paper is used The ink optimizer is an almost colorless transparent fluid For simplicity in this manual we refer to the ink optimizer for plain p...

Page 62: ... turn the printer off the printer automatically caps the BJ cartridge During this sequence the POWER indicator continues to blink The POWER indicator turns off on completion of the power off sequence Before unplugging the power cable from the wall outlet make sure that the POWER indicator is off Do not unplug the power cable from the wall outlet before turning off the printer using the POWER butto...

Page 63: ...LE 3 1 PRINTER PAPER SETTINGS Paper Type Plain Paper Plain Paper for Color BJ Coated Papers Glossy Photo Paper High Gloss Photo Film Transparencies Back Print Film Fabric Sheets T Shirts Transfer Glossy Photo Card Envelopes Other Papers 64g to 105g m2 Ream Weight LC 301 HR 101 GP 301 HG 201 CF 102 BF 102 FS 101 TR 201 FM 101 COM 10 DL size 106g to 450g m2 Ream Weight 0 8mm thick max Size A4 A5 B5 ...

Page 64: ... ink tank or remove jammed paper Paper Output Tray Receives the printed paper When printing large paper sizes you can extend the tray to support them Operator Panel OPERATOR PANEL POWER Button Turns the printer on and off POWER Indicator Indicates when the printer is on The POWER indicator blinks when the printer is receiving data and when an error occurs ERROR Indicator When an error occurs the E...

Page 65: ...s slot when manually feeding paper Lightly support the paper while feeding it straight into this slot Manual Feed Guide Adjust the manual feed guide sothat it is slighty in contact with the edge of the paper being manually fed This ensures that the paper is fed correctly AC Adaptor and Power Cable Once installed on the printer the user does not need to remove the AC adaptor when disconnecting the ...

Page 66: ...r cable from the wall outlet 4 Open the front cover and check that the carriage is locked in the capping position right side of printer If a fault has occurred and the carriage is not in the capping position move it manually to the capping position See below Operations performed only by service personnel If a fault has occurred and the user has moved the printer without the carriage being locked i...

Page 67: ...ise 2 When the cap and carriage lock lever are in the lowest position slowly move the carriage to the capping position 3 Next use the tweezers to slowly rotate the gears counterclockwise Stop rotating the gears when you can see that capping has been completed 4 The print head is capped and the carriage is locked 3 13 BJC 7100 Part 3 Operating Instructions See CAUTION on page 1 13 Figure 3 16 Manua...

Page 68: ...ce call will occur if you continue to use the printer When using a bidirectional parallel interface Nibble or ECP Modes a description of the error is displayed on the host computer s screen Part 3 Operating Instructions BJC 7100 3 14 Figure 3 17 Control Panel Error Paper Out or Paper Jam Ink Out Error Ink Out Error BJ Cartridge Error Waste Ink Alarm 1 BJ Cartridge Overheat Error Error Indicator ON...

Page 69: ...Blinks 6 times repeatedly Blinks 7 times repeatedly Blinks 9 times repeatedly Blinks 10 times repeatedly Blinks 11 times repeatedly Blinks 12 times repeatedly Blinks 13 times repeatedly Blinks 14 times repeatedly Beeper 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8 times Reference Page 5 16 5 18 5 18 5 19 5 20 5 21 5 21 5 21 5 21 5 22 5 22 5 23 Descripti...

Page 70: ...uter s screen Printing does not start Replace the BC 61 with the BC 62 Photo then start the print operation 2 Windows 3 1 Only the data that can be printed with the color BJ cartridge is printed By checking the printed page the operator can see that there has been a BJ cartridge mismatch Replace the BC 61 with the BC 62e Photo then start the print operation BJ cartridge overheat warning cartridge ...

Page 71: ...eckbox Settings a ECP mode This setting selects whether or not to be used ECP mode when printing OFF No ECP mode default ON ECP mode b High speed printing This setting specifies whether or not to print at high speed by reducing the response of the printer OFF Normal speed printing ON High speed printing default c Pause page This setting specifies whether or not to use the function to prevents ink ...

Page 72: ... However printing takes much longer b Economy cleaning skip first power on cleaning This setting determines if cleaning is performed when the power is first turned on after the power is connected OFF First power on cleaning performed default ON First power on cleaning not performed If the AC power supply is frequently disconnected such as when the printer is linked to a computer s power supply set...

Page 73: ...utton until the beeper sounds once 2 The POWER indicator blinks Any paper in the printer is ejected 3 Both BJ cartridges installed in the printer are cleaned 4 On completion of cleaning the beeper sounds and the POWER indicator lights continuously Deep Cleaning If after performing normal cleaning the print quality is still not satisfactory perform deep cleaning Deep cleaning uses more ink than nor...

Page 74: ...back surface with black ink etc or position the transparency on black paper If you print a nozzle check pattern with the BC 61 cartridge installed the part printed by the photo head shown in Figure 3 20 will not be printed 3 7 Pickup Roller Cleaning Function HR 101 Use this function to clean the pickup roller when using the pickup roller cleaning sheet supplied with the high resolution paper HR 10...

Page 75: ...e Data Reset EEPROM Waste Ink Amount Data Print EEPROM Data Change Country of Destination Print Durability Pattern for plain paper Print Durability Pattern for glossy photo paper Print LF Check Pattern Quit Service Mode RESUME Button Count none Once Twice 3 times 4 times 5 times 6 times 7 times 8 times 9 times or more ERROR Indicator OFF ON OFF ON OFF ON OFF ON ON OFF Reference Page 3 22 3 22 3 22...

Page 76: ...e ink absorbers 2 Press the RESUME button twice ERROR indicator turns off 3 Press the POWER button to reset the total waste ink amount recorded in the EEPROM 4 After resetting the total waste ink amount the printer automatically turns off 2 All service data reset If when you replace the logic board you do not intend to continue using the existing EEPROM data reset all the service data in the EEPRO...

Page 77: ...lect the overseas function set as follows 1 Enter to a service mode See Part 3 3 8 Service Mode page 3 21 2 Press the RESUME button five times The ERROR indicator turns on 3 Press the POWER button to select the destination setting 4 Press the POWER button If the printer has been set for BJ F800 the ERROR indicator turns off If set for BJC 7100 the ERROR indicator turns on If the ERROR indicator tu...

Page 78: ...inuously prints patterns one sheet at a time for checking the head alignment accuracy skew feed and overall scaling on plain paper 2 Print Durability pattern for glossy photo paper This function continuously prints patterns one sheet at a time for checking the head alignment accuracy skew feed and overall scaling on glossy photo paper 3 Print LF check pattern This function continuously prints patt...

Page 79: ... Function 4 11 2 4 Print Optimization Controls 4 12 2 5 Head Overheat Protection 4 13 3 PRINTER S MECHANICAL SYSTEM 4 13 3 1 Overview 4 15 3 2 BJ Cartridge 4 29 3 3 Purge Unit 4 33 3 4 Carriage 4 36 3 5 Paper Feed Sheet Feeder Mechanism 4 39 4 PRINTER ELECTRICAL SYSTEM 4 39 4 1 Overview of Printer Electrical System 4 40 4 2 Logic 4 45 4 3 Electrica System 4 46 5 DETECTION FUNCTIONS 4 46 5 1 Sensor...

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Page 81: ...c 5VDC VH 20VDC VM 27 6VDC I F Paper Feed Motor Carriage Motor Purge Unit Purge Sensor Carriage left Carriage right Black BJ Cartridge Home Position Sensor Color Photo BJ Cartridge Ink out Detection Circuit Paper Feed Motor Driver AC Adapter Paper end Sensor Pickup Roller Sensor Control Buttons Reset Circuit Control ROM Printer Controller Carriage Motor Driver Indicator ...

Page 82: ...es No Ink out error A OK Paper out paper jam error No Yes Printer temperature error Ink out check Waste ink full error END Displayed during paper feed operation after the printer has been in standby mode Start OK Paper check Paper end sensor Purge unit decapping Detection fo carriage in home position Is paper out OK Purge error EEPROM error No Yes Yes No Yes No ROM check RAM check EEPROM check Tur...

Page 83: ...RAM by DMA to the printer controller f The printer controller converts the print data into serial data for the respective BJ heads and outputs this data to the BJ heads with control signals The drive circuits in the BJ heads convert the serial data to parallel format and control the output of inks onto the print paper as indicated by the control signals g The MPU and printer controller sense the s...

Page 84: ...In the BJC 7100 printing is achieved by block dispersal drive in which the three vertical rows of nozzles fire sequentially and driven alternately odd even to minimize the concurrent firing of neighbouring nozzles The heat enable signal consists of a pre pulse and main pulse To keep the ink jetting in the optimum state the pulse width is varied according to the internal state of the printer such a...

Page 85: ...ng operations this sequence starts on completion of that operation POWER indicator blinks Are BJ cartridge installed Yes No What types of BJ cartridge are installed POWER button pressed while replacing BJ cartridge or ink tank OR Print left 10 min or more in BJ cartridge replacement position Carriage returns to home position Cleaning operation Capping operation POWER indecator OFF Carriage returns...

Page 86: ... This achieves faster printing however this may not work with some host computers Part 4 Technical Reference BJC 7100 4 6 Value of extensibility request Compatible Mode In compatible mode signals are sent in one direction only from the host PC to the printer as with the standard Centronics interface This is the default mode when the printer is turned on Negotiation Negotiation is the procedure by ...

Page 87: ...s can be used to separate data from commands and bidirectional communication can be established within this mode there is no need to switch to other modes when switching the direction in which data is being sent The data bus switches direction from forward to reverse data transmission in response to a fall in the AckReverse PE signal from the printer The data bus switches direction from reverse to...

Page 88: ...600 dpi 300 X 300 dpi 300 X 300 dpi 600 X 600 dpi 300 X 300 dpi 600 X 600 dpi 600 X 600 dpi 1 7 color photo ink used printing is carried out only for shaded in modes 4 color printing is used for all other modes The ink optimizer is used only for items marked POP 2 The number of passes is each mode and the paper feed amount per pass are as follows 1P During 1 pass printing Bk printing only 304 nozz...

Page 89: ...the speed priority mode the carriage makes a single pass per line at all times This mode is basically unidirectional printing When only black is being printed the printing speed is improved by detecting parts of the original to be printed that do not contain print data on each horizontal line and printing in both directions taking those lines as the threshold between unidirectional and bi directio...

Page 90: ...ode Text Super Photo Auto Draft Photo Graphics Camera Ink system Color Photo color Color Color Color Color Photo color Dither settings Fine fast Diffusion Auto Fine fast Diffusion Diffusion Diffusion Print direction Unidirectional Unidirectional Unidirectional Bidirectional Unidirectional Unidirectional Unidirectional Ink optimizer Yes No Yes No No No No Print media Plain paper High resolution pap...

Page 91: ...d 2 4 2 Head sticking prevention To prevent ink mist dispersion caused by high duty printing a one pass worth of data is splitted and printed as a 2 pass data 2 4 3 Ink smear prevention Printed pages ejected from the printer dry naturally in the paper output tray If before a page has dried the next printed page is ejected onto it there is a risk that the ink on the first page will be smeared When ...

Page 92: ... a maximum of 3 seconds to allow the print head to cool This overheat protection mechanism continues for a minimum of 20 seconds Protection level 3 If the head temperature continues to rise the printer stops printing the carriage continues to move and the paper is fed through the printer The printer then discards any further data sent from the host PC and performs cleaning operations ink out detec...

Page 93: ...rinter s mechanical system 4 13 BJC 7100 Part 4 Technical Reference Figure 4 12 Printer s Mechanical System Black BJ Cartridge Color Photo Ink Tank Color Photo BJ Cartridge Page Output Guide and Tray Paper Feed Mechanism Purge Unit Page Output Unit Carriage Sheet Feeder Manual Feed Slot ...

Page 94: ...arriage trips the latch lever and wiper lever so that the ink optimizer head is wiped By controlling the position of the slide lock lever of the purge unit the carriage switches between paper feed sheet feed drive and purge unit drive 4 Paper Feed Sheet Feeder The built in sheet feeder is driven by the paper feed motor and transports the print paper to the paper feeder The paper feed which is driv...

Page 95: ...Air paths Cartridge label Air vents or paths are created between the inside and outside of the BJ cartridge through the holes and grooves in the cover and the label that is applied to it The air vents prevent pressure fluctuations inside the BJ cartridge due to ink consumption and atmospheric conditions and help stabilize the supply of inks to the print head Ink filters The inks are filtered to pr...

Page 96: ... BJ head unit are in close contact to prevent ink leaking 2 BC 61 and BC 62e Photo The BC 61 and BC 62e Photo consist of a main unit made up of the BJ head unit mounted on the BJ cartridge body plus the ink tank which can be removed and replaced BC 61 Part 4 Technical Reference BJC 7100 4 16 Tank Lable Tank Cover Cartridge Body Head Packing BJ Head Unit Ink Filter Ink Guide Ink Pipes Ink Supply Pi...

Page 97: ...e ink from the ink sponges to the ink pipes Tank cover The tank cover is welded to the tank body to prevent inks leaking from the body Cartridge body The cartridge body is the base for the BJ head unit from which it is separated by the ink guide 4 17 BJC 7100 Part 4 Technical Reference Tank Label Tank Cover Cartridge Body Head Packing BJ Head Unit Ink Sponges Ink Filter Ink Guide Ink Pipes Ink Sup...

Page 98: ...red to prevent foreign objects from getting into the ink paths Tank packing The tank packing ensures that the ink tank and ink pipes are in close contact to prevent ink leakage BJ head unit The BJ head unit receives the ink from the ink guides and ejects the ink at the print media according to the print signals from the signal contacts Head clip Screws The BJ head unit is fastened to the cartridge...

Page 99: ...t color inks The BC 62e Photo has two print heads each the same as the BC 61 print head mounted side by side One ejects color inks while the other ejects photo inks BC 61 4 19 BJC 7100 Part 4 Technical Reference BJ Head Head Stoppers Heater Board Aluminum Plate Flexible Cable Head Holder Black Head Ink Eject Direction Ink Optimizer Head Figure 4 16 Structure of BC 60 BJ Head Unit BJ Head Head Stop...

Page 100: ...int head The ink room stores the inks that are supplied to the nozzles The ink out detection pulse is applied from the heater board electrode The nozzles are formed by aligning the ink ejection grooves with the heater array on the heater board Head Stopper The head stopper attaches the BJ print head to the head holder The heater board uses semiconductor technology in which the heaters and ICs etc ...

Page 101: ...ly used in printing may shift up or down within this range of 6 nozzles Because the black head and ink optimizer head and the color head and photo head are arranged symmetrically around a center point the nozzle arrays are reversed For details of alignment see Part 3 section 1 3 3 Installing the BJ cartridge step 3 Aligning the print heads page 3 5 4 21 BJC 7100 Part 4 Technical Reference Nozzle 3...

Page 102: ...12 10 11 14 15 13 17 16 18 2021 22 19 24 23 27 26 25 3 5 2 N C N C Color Head Contacts Photo Head Contacts 17 16 18 BC 60 BC 62e Photo BC 61 Direction of paper feed Figure 4 20 Signal Contacts TABLE 4 3 BJ HEAD INPUT AND OUTPUT SIGNALS Pin No 1 2 3 4 5 6 BJ print head ALL OM BK PH CL OM BK PH CL OM BK PH CL OM BK PH CL ALL Signal VH TSAOM TSABK TSAPH TSACL ID2OM ID2BK ID2PH ELYPH ID2CL ELCCL SUBHO...

Page 103: ... IN IN IN IN IN IN IN IN IN IN IN IN IN OUT OUT OUT OUT IN OUT OUT OUT OUT IN Function GND Heat enable Inversion of output sequence of print data lock output signal black and color heads locked OFF ink optimizer head and photo head locked ON Heat enable for odd black head and color head nozzles and even ink optimizer and photo head nozzles Heat enable for even black head and color head nozzles and...

Page 104: ... 80 99 100 137 192 211 212 231 232 249 304 310 119 120 1 2 6 Block Enable Decoder 1 2 7 310 bit Latch 8 25 80 99 100 119 120 137 192 211 212 231 232 249 304 310 310 bit Shift Register 310 See diagrams below Head Temperature Sensor Rank Resistance Sub heater VDDH VH RANK GND SUBH HEATE ODDE EVENE BE0 BE1 BE2 INV IDATA DCLK LTRST VDDH EL ID1 ID2 TSK TSA LTCLK 310 bit Transistor Array Heater 310 Heat...

Page 105: ...35 240 240 bit Shift Register 240 See diagrams below Head Temperature Sensor Rank Resistance Sub heater VDDH VH RANK GND SUBH HEATE ODDE EVENE BE0 BE1 BE2 INV IDATA DCLK LTRST VDDH EL ID1 ID2 TSK TSA LTCLK 240 bit Transistor Array Heater 240 Heater 1 EL ID1 ID2 Yellow Color Head EL ID1 ID2 Yellow Photo Magenta Magenta Cyan Cyan Contact Contact Heater 80 Heater 81 Heater 160 Heater 161 Yellow 80 no...

Page 106: ... board of the MPU as a voltage and converted to digital format to detect the rank allowing the BJ print heads to be controlled for optimum print quality Sub heater This heater adjusts the temperature of the heater board to stabilize the ejection of inks The printer drives the sub heater according to the temperatures detected by the head temperature sensor and printer temperature sensor which is mo...

Page 107: ...the ejection of ink at the print media 1 Electrode pin 2 Pin shared with index 4 27 BJC 7100 Part 4 Technical Reference TABLE 4 4 AND GATE CONTACTS AND IDATA ORDER INV Output sequence of BLOCK1 to 6 BLOCK1 BLOCK2 BLOCK3 BLOCK4 BLOCK5 BLOCK6 Order of IDATA 1 ODDE 2 EVENE 2 Ink optimizer head VDDH High BLOCK6 1 1 7 100 119 8 25 120 137 26 43 138 155 44 61 156 173 62 79 174 191 80 99 192 211 Reverse ...

Page 108: ...nical Reference BJC 7100 4 28 TABLE 4 6 INDEX CONNECTIONS ID1 signal name ID2 signal name Ink optimizer head Open ID1OM Pulled down ID2OM Black head Pulled down ID1BK Pulled down ID2BK Photo head Open ID1PH ELMPH Pulled down ID2PH ELYPH Color head Open ID1CL ELMCL Pulled down ID2CL ELCCL BC 60 BC 61 BC 62e Photo TABLE 4 7 INDEX SENSOR SIGNALS AND BJ CARTRIDGE DETECTION Index sensor signals BJ cart...

Page 109: ...a is received for 120 seconds the nozzles are capped If no paper is being fed the maintenance jets are operated and the nozzles capped after a set time from the last data received The actual time depends on the ambient conditions and the number of times ink is ejected etc The nozzles are also capped when the POWER button is used to turn of the power 2 Cleaning function The cleaning function cleans...

Page 110: ...NK CONSUMPTION AVERAGE Conditions for cleaning RESET button pressed 2 Printer controlled online using printer driver 2 After BJ cartridge replaced After ink tank replaced After ink out detection RESET button pressed 3 Printer controlled online using printer driver 2 First time printer turned on after connecting AC power 4 When printer turned on after 72 hours or more elapsed from last cleaning 3 d...

Page 111: ...tridge in the cleaning operation The purged ink is sent to the ink absorber on the bottom cover unit After the ink has been purged the carriage moves to the left of the capping position to absorb any waste ink stuck in the cap So that this waste ink does not mix in the waste ink absorber with the ink optimizer and form aggregates the absorber is equipped with a wall to separate the ink and ink opt...

Page 112: ...ence BJC 7100 4 32 Purge Unit Waste Ink Tube Ink Lower Tube Ink Optimizer Upper Tube Carriage Lock Lever Slide Lock Lever Cap For Capping Purge Drive Gear Pump Section Cap For Purging and Capping Wiper Figure 4 23 Purge Unit ...

Page 113: ...e In the BJC 7100 printer the ink optimizer head wiper is operated according to the position of the carriage When the carriage moves left the side of the ink optimizer head presses against the wiper lever on the left of the printer to set the wiper When the carriage then moves right the hook on the bottom of the carriage pulls the latch lever so that the ink optimizer head wiper wipes the face of ...

Page 114: ...e paper feed motor drive to the purge unit paper feed or sheet feeder according to the position of the carriage Except when the carriage is at the right edge of the printer the slide lock lever of the purge unit locks the operation of the transmission arm When the carriage is moved further to the right of the capping position the right edge of the printer the slide lock lever is released While the...

Page 115: ...r Feeding Paper Driving Purge Unit 1 Wiping Capping Release 2 Purge Dummy Purge Top View Sheet Feeder Drive Gear Transmission Arm Gear Sheet Feeder Unit Platen Side Paper Output Roller Idler Gear Paper Output Side Paper Output Roller Platen Unit Gear Sheet Feeder Gear Purge Unit Gear Paper Feed Roller Gear Purge Drive Gear Figure 4 25 Paper Feed Motor Drive Switching ...

Page 116: ...he platen by the paper feed roller During printing the page feed is controlled by controlling the rotation of the paper feed roller On completion of printing the page is ejected by the paper output roller 2 Auto platen head gap adjustment function The BJC 7100 printer can print without switching the carriage position according to the thickness of the media being printed on The paper feed roller is...

Page 117: ...to Sheet Feeder ASF BJ Cartridge Pressure Roller Pickup Roller Sensor Pickup Roller Print Media Paper Output Unit Spurs Paper Feed Roller Sensor Flag Paper End Sensor Manual Feed Paper Output Rollers Pickup Guide Figure 4 27 Paper Feed Mechanism ...

Page 118: ...aterial can be fed The initial position of the pickup roller is determined by the pickup roller sensor photointerrupter on the logic board sensing the flag When the print media is detected by the paper end sensor it is automatically fed to the top of page position If no print media is detected even after a feed operation a paper out or paper jam error message is displayed When manually feeding pap...

Page 119: ...cted to a power outlet and a DC supply is therefore input to the BJC 7100 printer and the printer has not yet been turned on using the POWER button all buttons except the POWER button are inactive the photointerrupter sensors are inactive and any signals input from the interface are ignored In all other respects the hardware is active 4 39 BJC 7100 Part 4 Technical Reference Carriage Motor Carriag...

Page 120: ...iage Motor Ink out Detection Circuit BJ Cartridge INKOUT ANT PHANT Carriage Board RANKOM RANKBK RANKPH RANKCL BE0 to 2 IDATAOM IDATABK IDATAPH IDATACL EVENE ODDE HEATEOM HEATEBK HEATEPH HEATECL LTCLK LTRST P104 P103 P102 P137 TA12 to TA15 T00 to T03 P144 to P147 P73 to P75 T0 20MHz Paper End Sensor Pickup Roller Sensor Purge Sensor RD INIT0 to INIT3 RESET Error Indicator Power Indicator Parallel I...

Page 121: ...ed to the respective sensors and motor drivers The stepping motor controller outputs double 1 2 phase excitation drive signals for the carriage motor and 2 phase excitation drive signals for the paper feed motor The monitor timer monitors the signals at the realtime port timer terminals IO ports The IO ports input receive data output send data input and output send requests input and output transm...

Page 122: ...arallel data sent in sync with the data strobe STROBE signal from the host PC It also controls the other interface signals The data received from the interfaces is stored in the DRAM receive buffer The MPU analysis this data and if deemed to be print data it is processed by the DMA When the printer initialize INIT signal is input from the interface the Centronics interface controller outputs a BUS...

Page 123: ...drive of the paper feed motor which is controlled using 2 phase excitation There are two drive circuits in the IC 8 Carriage motor driver IC13 The carriage motor driver which is controlled by the MPU performs constant current bipolar drive of the carriage motor which is controlled using double 1 2 phase excitation The carriage motor switches the peak current among 5 steps according to the switchin...

Page 124: ...ND LGA ENAA PHAA CR ALARM VrefA VsA VsB VrefB Vcc Decay PHAB ENAB LFA LFB LFB LFA MTD2005FB FU2 ICP N25 R38 1 1 4W R37 1 1 4W R40 1 1 4W R39 1 1 4W R45 10K 1 16W PAPER FEED MOTOR Approx 6 0Ω phase VCC 50V 1A R33 10K 1 16W VCC R28 3 3K 1 10W R29 30K 0 5 1 10W R253 3 3K 1 10W R15 2 7K 0 5 1 10W C71 0 01µ 50V C70 0 01µ 50V VCC R14 1 1 4W R21 1 1 4W R20 1 1 4W VM VCC 5 6 7 8 13 14 15 16 147 TA15 TA14 ...

Page 125: ...on and to drive the beeper In addition the Vcc is distributed as 5VDC power to the MPU printer controller EEPROM control ROM DRAMs motor driver and other ICs such as the reset IC and for operating the ink out detection circuit VDDH Vcc2 Vcc3 Vcc4 Vcc5 Vcc6 2 VH 20 0 3VDC The VH is supplied to the print head The VH output voltage is supplied to the BJ cartridge subheater temperature driver transist...

Page 126: ...he following sensors for detecting the printer status Part 4 Technical Reference BJC 7100 4 46 No 26 No 2 No 2 No 26 Head Temperature Sensor Home Position Sensor Pickup Roller Sensor left Paper End Sensor right Purge Sensor Printer Temperature Sensor Figure 4 34 Sensor Positions ...

Page 127: ...on edge of the chassis interrupts the home position sensor on the carriage board the carriage is deemed to be in the home position Printer temperature sensor The thermistor on the carriage board detects the temperature inside the printer The printer fetches the voltage output by the printer temperature sensor This voltage which varies according to the temperature is converted from analog to digita...

Page 128: ...board are used to detect the presence and type of BJ cartridge For details see Part 4 section 3 2 6 BJ cartridge detection page 4 28 5 2 3 Ink out detection 1 Detection operation An ink out detection pulse is output to the ink paths in the ink room in the head holder The pulse is transmitted via the ink path to the ink sponges and received by the electrode on the carriage It is then amplified by t...

Page 129: ...e or ink tank When using the bidirectional interface the head alignment mode is automatically selected after the BJ cartridge has been replaced Follow the instructions on the PC screen to align the print heads Ink out detection is designed to inform the operator that the ink has run out This function does not automatically halt printing before the ink actually runs out or before print faults devel...

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Page 131: ... AND REASSEMBLY 5 4 4 1 Disassembly and Reassembly 5 4 4 2 Notes on Disassembly and Reassembly 5 6 4 3 Waste Ink Absorbers 5 7 4 4 Assembling the Chassis 5 8 5 ADJUSTMENTS 5 8 5 1 Adjustment Locations 5 13 6 TROUBLESHOOTING 5 13 6 1 Troubleshooting Overview 5 14 6 2 Diagnosis 5 37 7 CONNECTOR LAYOUT AND SIGNAL ASSIGNMENT 5 37 7 1 Logic Board 5 39 7 2 Carriage Board 5 44 8 CIRCUIT DIAGRAMS 5 44 8 1...

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Page 133: ...er or just optimizer We also refer to the various colored inks and the ink optimizer for plain paper simply as inks 5 1 BJC 7100 Part 5 Maintenance Level User Service personnel Part None None Level User Service personnel Location None None Level User Service personnel Consumable Black BJ cartridge BC 60 Color BJ cartridge BC 61 Photo BJ cartridge BC 62e Photo Ink tank for color BJ cartridge BC 61 ...

Page 134: ...e type For troubleshooting Special Tools part No Grease MOLYKOTE PG 641 CK 0562 Tension spring QY9 0046 Gap gage 1 2mm THICKNESS GAUGE KIT QY9 0030 000 THICKNESS ADJUSTER QY9 0031 000 Note For application to specified locations see Figure 5 1 For use when securing idler pulley See Figure 5 9 For use when checking and adjusting plate head gap For use when checking and adjusting platen head gap See ...

Page 135: ...et onto parts neighboring the indicated locations 5 3 BJC 7100 Part 5 Maintenance Rib Face approx 3mg Cam Gliding Surface approx 24mg Shaft Gliding Surface approx 12mg Bottom Shaft Gliding Surface approx 20mg in each of 2 location Around Entire Shaft approx 320mg Gliding Surface approx 24mg Gear Teeth approx 24mg per gear MOLYKOTE PG641 Surfaces of Pinion Gear Teeth approx 30mg Between Gears and T...

Page 136: ...over It is extremely difficult to remove or reinstall the main cover and parts can easily be broken when the connector cover is attached to it 4 2 2 Carriage unit When the cartridges are installed and the power is OFF the carriage is normally locked in the capping position The locking mechanism is in the purge unit and prevents the carriage moving from the capping position exposing and potentially...

Page 137: ... the tubes would hinder purging 4 2 5 Securing idler pulley assembly screw If you have loosened the idler pulley assembly screw as when removing the carriage you must use the special tension spring QY9 0046 when reassembling Before tightening the screw move the carriage horizontally several times to equalize the belt tension After tightening the screws remember to remove the tension spring 5 5 BJC...

Page 138: ...and bottom may be of different materials which could result in problems All service parts absorbers are of the same material Differences in materials are visually apparent Clean the absorber cover if necessary Be sure to reset the EEPROM when you replace the waste ink absorbers If you do not reset the EEPROM the waste ink alarm or waste ink full error will not be cancelled See Part 3 3 8 2 Resetti...

Page 139: ...the nine screws When you start attaching the screws leave them in a loose state 3 First tighten two screws A on the front of the front chassis unit Before you tighten these screws make sure that the bosses to the outside of these screws are properly fitted in place 4 Alternately tighten four screws 1 2 3 and 4 on both ends of the front chassis unit 5 Tighten three screws 5 6 and 7 on the rear chas...

Page 140: ...ols are required for checking and adjusting the head gap You can substitute the above thickness gages if not available with commercially available ones capable of measuring 1 2 mm 1 4 mm and 1 6 mm gaps 1 Checking the Head Gap Follow the procedure below to check the head gap 1 Remove the AC adapter top case and sheet feeder unit from the printer and make sure that the cartridge is locked Attach bo...

Page 141: ...s see figure below taking care not to deform the spurs 3 Gently press down on both ends of the platen and then quickly release your hands Repeat this two or three times to stabilize the platen position Be sure to carry out this step Otherwise the head gap cannot be measured correctly 5 9 BJC 7100 Part 5 Maintenance Measuring Sheet Push here Figure 5 10 Measuring Sheet Setting 1 Push down gently Re...

Page 142: ...elow 5 Move the carriage with your fingers gripping the carriage belt as shown in the figure below Follow the flowchart on the following page for details on the checking order Part 5 Maintenance BJC 7100 5 10 Figure 5 12 Thickness Gauge Setting Figure 5 13 Check the Head Gap ...

Page 143: ...e thickness does not move at all 3 Adjusting the Head Gap Follow the procedure below to adjust the head gap if required 1 Loosen the red screws and turn the adjust plate so that the support shaft is at the topmost position 5 11 BJC 7100 Part 5 Maintenance Result Check head gap using 1 7mm gage A B Check head gap using 1 2mm gage START C Result A B C Result A B C Check head gap using 1 5mm gage Che...

Page 144: ...fingers gripping the carriage belt as shown in the figure below Turn the adjust plate a little at a time by the adjustment knob as you move the carriage to the left and right Adjust the adjust plate so that the BJ Head barely contacts the thickness gage and then temporarily tighten the red screws 5 Repeat the above procedure three times alternately on the left and right ends Last of all firmly tig...

Page 145: ...s loaded correctly and that the printer driver parameters are set correctly etc 5 If you replace or service a part be sure to make a test print to check that the fault has been remedied 6 The flowcharts may indicate a number of possible actions to be taken in troubleshooting and correcting a fault These actions are indicated in the order required to remedy the problem After each step make a test p...

Page 146: ... ROM check RAM check EEPROM check Turn power ON Soft power ON ROM error RAM error Paper out paper jam error Sheet feeder initialization OK OK Sheet feeder error Yes No Yes No Home position error A Beeper ERROR indicator Reference page Twice ON 5 24 Beeper ERROR indicator Reference page 8 times Blinks 4 times 5 18 Beeper ERROR indicator Reference page 8 times Blinks 3 times 5 18 8 times Blinks twic...

Page 147: ...imes Blinks 4 times 5 18 Beeper ERROR indicator Reference page 5 times ON 5 28 8 times Blinks 6 times 5 20 Beeper ERROR indicator Reference page 3 times ON BC 60 5 26 4 times ON BC 61 5 26 BC 62e Photo Beeper ERROR indicator Reference page 6 times ON 5 21 8 times Blinks 7 times 5 21 OK Paper jam error No Yes Printer temperature error Ink out check Waste ink full error END Beeper ERROR indicator Re...

Page 148: ... for paper jams wear and tear and removal of carriage belt Carriage with faulty idler pulley assembly operation Carriage shaft distortion scratches insufficient lubrication etc Does the carriage move smoothly when moved manually See 4 2 2 Carriage unit page 5 4 for how to release the carriage lock Does the carriage motor run during initialization Is the carriage drive out of sync Are there any pro...

Page 149: ...ctivity of the power cable that links the logic board with the AC adaptor Measuring point Logic board CNPWR Pin No 3 Normal value 27 6 1 5VDC no load max 33V Measuring point Normal value Approx 8 3Ω CNCR 1 4 2 3 Replace logic board Faulty motor driver IC Faulty MPU Faulty PCB soldering conductivity 1 4 Red 1 2 3 4 A B B A Approx 8 3Ω phase Carriage motor Blue Orange Yellow Logic board side AC adap...

Page 150: ...s Check the connection of the purge sensor cable connector purge sensor and logic board ends and the conductivity of the joint cable Check purge sensor cable OK Check purge sensor Check purge unit operation Check and service platen paper feed motor drive transmission gear OK OK Service replace the purge unit Reconnect replace purge sensor cable No Yes Yes No Yes No With the power ON remove the pur...

Page 151: ...e sheet feeder Remove the sheet feeder unit and manually rotate the drive gears to check that the pickup roller etc operates correctly and smoothly Visually check the appearance and operation of the paper feed rollers and power switching gears which transmit the power of the paper feed motor Simultaneously check the operation of the purge unit s slide lock lever which locks the power switching uni...

Page 152: ...uctivity of TEMP signal line Does error recur OK OK Reconnect replace carriage cable No Yes Yes No Yes No No Yes Measuring point IC1 MPU Pin No 154 TH1 Normal value Approx 4Ω Check the ambient conditions END Measuring point TH1 resistance Check thermistor TH1 Check the measuring point with the carriage cable removed OK No Yes Check conductivity of carriage board OK No Yes Replace carriage unit Rep...

Page 153: ...ng initial check Suspected parts DRAMs IC5 and IC6 and logic board Measure Replace the logic board 5 21 BJC 7100 Part 5 Maintenance 6 Waste Ink Alarm Full Error Beeper 6 times ERROR indicator ON alarm Beeper 8 times ERROR indicator Blinks 7 times full error See Part 3 3 8 2 Resetting EEPROM data page 3 22 for details of how to reset the EEPROM There is a risk of the EEPROM data being incorrect If ...

Page 154: ...imes ERROR indicator Blinks 13 times Check carriage motor OK Replace logic board No Yes Replace carriage motor Measuring point Normal value Approx 8 3Ω CNCR 1 4 2 3 Faulty motor driver IC Faulty MPU Faulty PCB soldering conductivity 1 4 Red 1 2 3 4 A B B A Approx 8 3Ω phase Carriage motor Blue Orange Yellow Check paper feed motor OK No Yes Replace paper feed motor Measuring point Normal value Appr...

Page 155: ...lever 2 Carriage unit BJ cartridge Measure 1 When error occurs during transport operation Check and service or replace the paper feed motor drive switching mechanism and slide lock lever 2 When error occurs when the printer is idle Check and service or replace the BJ cartridge and carriage unit Carefully check for dried ink and shorting of the BJ cartridge contacts 5 23 BJC 7100 Part 5 Maintenance...

Page 156: ...ulty parts Yes No No Yes Check sheet feeder unit Remove the sheet feeder unit and check its operation manually Check for abnormal soiling or deterioration of feed roller rubber and separation sheet Wipe away paper dust etc with ethanol to restore the ability to pick up the paper Check for deformation damage and insufficient lubrication of the gears Check that the separation hooks operate smoothly ...

Page 157: ...d other foreign materials Check paper end sensor lever is normal Check for displaced parts paper edge guide pressure roller and holder platen feed roller paper output roller transfer roller paper output unit and spur unit etc 2 Service or replace faulty parts END Faulty paper end sensor Faulty MPU Faulty PCB soldering conductivity Replace logic board 1 Remove paper and foreign objects ...

Page 158: ...Blinks Replace BJ cartridge BC 60 Does error recur Repeat head cleaning and deep cleaning operations 4 or 5 times Repeat cleaning Check purging by purge unit 1 Check or replace carriage cable Does error recur OK Replace purge unit No Yes Yes No Yes No Visually check purge unit purge operation during cleaning to check that ink is purged END Align print heads OK No Yes Use under specified ambient co...

Page 159: ...t purge operation during cleaning to check that ink is purged END Align print heads Replace appropriate BJ cartridge Does error recur No Yes OK OK No Yes Yes No Clean or service contacts Use under specified ambient conditions Check ambient conditions Check contact resistance of shield plate Is there anything that might generate noise nearby Measure the resistance of the contact between shield plat...

Page 160: ...Error Beeper 5 times ERROR indicator ON POWER indicator Blinks Check mounting of BJ cartridges OK Remove BJ cartridge Replace BJ cartridge Press REPLACE button Does error recur No Yes Yes No Clean contacts Check BJ cartridge contacts on cartridge and on carriage OK No Yes END Remount BJ cartridges Is there any ink or other foreign materials on contacts Are the contacts bent or otherwise deformed A...

Page 161: ...cted parts BJ cartridge Measure Wait several minutes with power OFF then turn power ON again If the error recurs follow the procedure in 15 BJ Cartridge Error 5 29 BJC 7100 Part 5 Maintenance 16 BJ Cartridge Overheat Error Beeper 7 times ERROR indicator ON POWER indicator Blinks ...

Page 162: ...No Yes Yes No Check conductivity of power cable OK Yes No Replace logic board Replace power cable Replace AC adaptor Reconnect the power outlet and the connectors Check operation of control panel OK No Yes Service or replace faulty parts Does control panel POWER and RESUME buttons on main cover function normally Do switches on logic board operate when pressed directly Pin No Normal value 20 0 3V i...

Page 163: ...art 5 Maintenance 2 Abnormal noise Remove purge unit Visually check purge unit Check and service platen paper feed motor drive transfer gear OK Yes No Check operation of purge unit Remove the purge unit from the printer and rotate the drive gears in both directions to check where the noise is generated OK No Yes Service or replace purge unit There may be a problem in the paper feed motor drive tra...

Page 164: ...rt path OK Yes No Check operation of sheet feeder unit Remove the sheet feeder unit from the printer and manually rotate the drive gears to check for where the noise is generated OK No Yes Service or replace sheet feeder unit Paper edge guide Pressure roller and holder Platen Spur unit Check for foreign objects Check for deformed or damaged gears Feeder roller Paper output roller Gears ...

Page 165: ...ing the troubleshooting procedures for each error Does error recur OK Check sheet feeder unit OK Check service or replace paper transport mechanism other than sheet feeder unit Service or replace faulty parts Use print media and ambient conditions that satisfy printer specifications No Yes Yes No Yes No No Yes Check for soiling of pickup rollers and for displacement of separation hook unit hooks e...

Page 166: ...BJC 7100 5 34 4 Faulty printing 1 No printing Repeat head cleaning and deep cleaning operations 4 or 5 times OK Remove BJ cartridges Check contacts both cartridge and carriage Replace color and photo ink tanks END OK OK No Yes Yes No Yes No Make a test print END Clean contacts Make a test print Replace black BJ cartridge A Repeat head cleaning and deap cleaning operations 4 or 5 times Replace colo...

Page 167: ... Part 5 Maintenance Repeat head cleaning and deep cleaning operations 4 or 5 times Make a test print A OK No Yes END 1 Check replace carriage cable 2 Replace carriage unit 4 Replace purge unit 3 Replace logic board ...

Page 168: ...ce cable or faulty logic board Measure Perform several cleaning operations then make test print Replace BJ cartridge s or ink tank s Replace purge unit Replace spurs spur cleaner or spur unit Select FINE mode using printer driver or select error dispersal Perform several cleaning operations then make test print Replace BJ cartridge s or ink tank s Select FINE mode using printer driver or set color...

Page 169: ...N IN OUT Function Head drive voltage 20 0 0 3VDC VH GND Motor drive voltage 27 6 1 5VDC VM GND Logic drive voltage 5 0 0 25VDC VCC GND VH output control GND Pin No 1 2 3 4 Signal CRA CRB CRB CRA IN OUT OUT OUT OUT OUT Function A phase drive voltage B phase drive voltage B phase drive voltage A phase drive voltage Pin No 1 2 3 4 Signal LFA LFB LFB LFA IN OUT OUT OUT OUT OUT Function A phase drive v...

Page 170: ...lse ID1BK input and ELBK output Ink optimizer sub heater drive Print data block output signal generation 2 Black head sub heater drive Ink optimizer index 2 detection ink out detection pulse ID2OM input and ELOM output Black head and color head odd nozzle and ink optimizer and photo head even nozzle heat enable Black head index 2 detection color head yellow ink out detection pulse ID2BK input and ...

Page 171: ... Pint data block output signal generation 1 Photo head sub heater drive Color head index 2 detection cyan ink out detection pulse ID2CL input and ELCCL output Black head and color head odd nozzle and ink optimizer and photo head even nozzle heat enable Photo head index 2 detection yellow ink out detection pulse ID2PH input and ELYPH output Color head temperature sensor diode drive voltage Photo he...

Page 172: ... Print data transfer clock Ink optimizer head index1 detection photo head cyan ink out detection pulse ID10M input and ELCPH output Black head heat enable Ink optimizer heat enable Black head print data Ink optimizer print data Black head rank resistance detection Ink optimizer rank resistance detection Print data latch timing specification Black head temperature sensor diode output voltage Ink op...

Page 173: ...TSKBK VH Not used IN OUT OUT OUT IN OUT IN OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT IN OUT IN OUT Function Head drive voltage 20 0 0 3VDC Black head temperature sensor diode drive voltage Black head index 2 detection Black head sub heater drive Black head index 1 detection Head logic drive voltage GND Black head heat enable Black head print data block output signal output sequence inver...

Page 174: ...16 17 18 19 21 22 23 24 25 26 27 28 Signal VH TSAOM ID2OM SUBHOM ID1OM VDDH GND HEATEOM INVOM EVENE ODDE BE0 VH BE1 IDATAOM BE2 DCLK GND LTCLK ELOM RANKOM LTRST TSKOM VH Not used IN OUT OUT OUT IN OUT IN OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT IN OUT IN OUT Function Head drive voltage 20 0 0 3VDC Ink optimizer temperature sensor diode drive voltage Ink optimizer index 2 detection Ink o...

Page 175: ...T OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT IN OUT IN OUT Function Head drive voltage 20 0 0 3VDC Photo head temperature sensor diode drive voltage Photo head index 2 detection yellow ink out detection pulse ID2PH input and ELYPH output Photo head sub heater drive Photo head index 1 detection magenta ink out detection pulse ID1PH input and ELMPH output Head logic drive voltage GND Photo head heat en...

Page 176: ...8 CIRCUIT DIAGRAMS 8 1 Parts Layout 8 1 1 Logic board Part 5 Maintenance BJC 7100 5 44 Figure 5 18 Logic Board Face Figure 5 19 Component Board Back ...

Page 177: ...8 1 2 Carriage board 5 45 BJC 7100 Part 5 Maintenance Figure 5 20 Carriage Board Face Figure 5 21 Carriage Board Back ...

Page 178: ...Part 5 Maintenance BJC 7100 5 46 This page intentionally left blank ...

Page 179: ... 01µ 50V C9 0 01µ 50V C14 0 01µ 50V RESET 5V R140 22K 1 16W 5V 8 7 6 5 1 2 3 4 CS SK D1 D0 VCC N C TEST GND EEPROM IC7 5V 5V BEEPER TR5 DTC143ZKA R90 1 5K 1 10W BZ1 CD11PA XZ BZ 1 2 3 4 5 6 7 8 9 10 11 15 16 17 18 19 20 21 22 23 24 25 50 49 48 47 46 45 44 43 42 41 40 36 35 34 33 32 31 30 29 28 27 26 VCC I O 1 I O 2 I O 3 I O 4 VCC I O 5 I O 6 I O 7 I O 8 N C N C N C WE RAS N C N C A0 A1 A2 A3 VCC ...

Page 180: ... F2 01 G10 C86 1000p 50V VCC2 VDDL VDDL 8 4 5 6 7 FB53 FB52 3 2 1 0 9 8 7 6 5 4 C21 0 01µ 50V 03 F5 03 B5 03 B5 03 C5 03 C5 03 C5 03 D5 03 C5 03 C5 03 E1 04 F1 04 F1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 16 17 19 30 31 32 34 35 36 CNIF FB15 FB16 FB17 FB18 FB19 C45 220p 50V C41 0 01µ 50V C42 220p 50V 5V TR16 DTA143EKA C40 470p 50V 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CLKOUT BS BE CS1...

Page 181: ... 11 R198 1 0K 0 5 1 16W 01 B1 01 B1 01 B1 01 C2 C64 0 1µ 25V R237 33K 0 1 1 16W R236 12K 0 1 1 16W R207 7 5K 0 1 1 16W R208 180K 0 5 1 16W 5V C50 0 1µ 25V TR14 DTA143EKA R199 150K 1 16W R184 10K 1 16W 01 B1 01 A6 02 F1 01 A6 02 F1 01 A6 02 F1 01 A6 02 F1 02 F1 02 F1 02 G1 02 E1 02 E1 02 E1 01 B1 BJ CARTRIDGE DRIVERS 5V 5 2 3 2 DA7 FTZ6 8E DA6 FTZ6 8E 5 DA11 FTZ6 8E 2 1 DA11 FTZ6 8E 2 4 2 DA10 FTZ6...

Page 182: ...16K 0 5 1 16W R252 3 3K 1 16W R238 1 5K 0 5 1 16W C74 0 01µ 50V C75 0 01µ 50V VDDM R44 10K 1 16W 01 B1 R217 220 1 8W C57 100p 50V PS2 GP1SQ59C 5V R214 22K 1 16W PES 01 E2 R216 220 1 8W C56 100p 50V PS1 TLP832 5V R213 22K 1 16W ASFS 01 E2 PAPER END SENSOR PICK UP ROLLER SENSOR TR15 DTA143EKA SPOWON 01 B1 R215 220 1 8W 03 A5 HPLED 1 2 3 CNPGS FB27 FB28 FB29 C16 100p 50V 5V R211 22K 1 16W R7 220 1 8W...

Page 183: ...E VCC1 1 2 ETH5 E VCC3 1 2 ETH6 POWER SUPPLY VH VHGND VM VMGND 5V 5VGND VHENB GND 1 2 3 4 5 6 7 8 C107 C110 1000p 50V x4 VH C111 1000p 50V C115 1000p 50V VCC C116 1000p 50V C117 1000p 50V 5V BA033FP VRAM C125 0 47µ 50V FB31 BK1608LM252 VM D6 RB501V 40 BBB EH C30 100µ 16V C118 1000p 50V C119 1000p 50V E 1 2 E VDDL 1 2 VCC2 C130 0 1µ 25V C38 0 1µ 25V C122 0 1µ 25V C123 1000p 50V C113 1000p 50V C131 ...

Page 184: ......

Page 185: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper ...

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